#include<stdio.h>
#include "mylib.h"

int main(int argc,char *argv[]) {
	int a = 10, b = 20, max_num, min_num;
	max_num = max(a, b);
	min_num = min(a, b);
	printf("max_num=%d\n", max_num);
	printf("min_num=%d\n", min_num);
	return 0;

}